1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/regress/expected/arrays.out b/src/test/regress/expected/arrays.out
index 23b3902017b..7e487fc9ec9 100644
--- a/src/test/regress/expected/arrays.out
+++ b/src/test/regress/expected/arrays.out
@@ -1634,3 +1634,33 @@ select * from t1;
  [5:5]={"(42,43)"}
 (1 row)
 
+-- Check that arrays of composites are safely detoasted when needed
+create temp table src (f1 text);
+insert into src
+  select string_agg(random()::text,'') from generate_series(1,10000);
+create type textandtext as (c1 text, c2 text);
+create temp table dest (f1 textandtext[]);
+insert into dest select array[row(f1,f1)::textandtext] from src;
+select length(md5((f1[1]).c2)) from dest;
+ length 
+--------
+     32
+(1 row)
+
+delete from src;
+select length(md5((f1[1]).c2)) from dest;
+ length 
+--------
+     32
+(1 row)
+
+truncate table src;
+drop table src;
+select length(md5((f1[1]).c2)) from dest;
+ length 
+--------
+     32
+(1 row)
+
+drop table dest;
+drop type textandtext;